#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
#include<math.h>
int main() {
    float a, b, c;
    scanf("%f %f", &a, &b);
    c = 1.0 * a / pow(b, 2);
    if (18.5 <= c && c <= 23.9)
    {
        printf("Normal");
    }
    else {
        printf("Abnormal");
    }

    return 0;
}